CH615433A5 - Process for the preparation of 2H-pyrane-2,6(3H)-dione derivatives and salts thereof - Google Patents

Process for the preparation of 2H-pyrane-2,6(3H)-dione derivatives and salts thereof Download PDF

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Publication number
CH615433A5
CH615433A5 CH982875A CH982875A CH615433A5 CH 615433 A5 CH615433 A5 CH 615433A5 CH 982875 A CH982875 A CH 982875A CH 982875 A CH982875 A CH 982875A CH 615433 A5 CH615433 A5 CH 615433A5
Authority
CH
Switzerland
Prior art keywords
pyran
dione
radical
acetyl
hydroxy
Prior art date
Application number
CH982875A
Other languages
German (de)
English (en)
Inventor
Lawrence William Chakrin
Kenneth Means Snader
Chester Rhodes Willis
Original Assignee
Smithkline Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Smithkline Corp filed Critical Smithkline Corp
Publication of CH615433A5 publication Critical patent/CH615433A5/de

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/34—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D309/36—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyrane Compounds (AREA)
CH982875A 1974-07-29 1975-07-28 Process for the preparation of 2H-pyrane-2,6(3H)-dione derivatives and salts thereof CH615433A5 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49264074A 1974-07-29 1974-07-29
US57089675A 1975-04-23 1975-04-23

Publications (1)

Publication Number Publication Date
CH615433A5 true CH615433A5 (en) 1980-01-31

Family

ID=27050812

Family Applications (1)

Application Number Title Priority Date Filing Date
CH982875A CH615433A5 (en) 1974-07-29 1975-07-28 Process for the preparation of 2H-pyrane-2,6(3H)-dione derivatives and salts thereof

Country Status (17)

Country Link
JP (1) JPS5136458A (nl)
AT (1) AT343657B (nl)
CA (1) CA1064509A (nl)
CH (1) CH615433A5 (nl)
DD (1) DD118626A5 (nl)
DE (1) DE2533843C2 (nl)
DK (1) DK134552B (nl)
ES (1) ES439664A1 (nl)
FI (1) FI59406C (nl)
FR (1) FR2280367A1 (nl)
GB (1) GB1521712A (nl)
HU (1) HU174067B (nl)
IE (1) IE41709B1 (nl)
IL (1) IL47792A (nl)
LU (1) LU73066A1 (nl)
NL (1) NL7509032A (nl)
NO (1) NO142668C (nl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1572271A (en) * 1976-06-16 1980-07-30 Smithkline Corp 5-acetyl-4-hydroxy-(3(1-phenylaminoethylidene)-2h-pyran-2,6(3h)-dione derivatives
FR2388808A1 (fr) * 1977-04-29 1978-11-24 Smithkline Corp Derives substitues de 2h-pyranne-2,6(3h)-diones, leur preparation et leur application en therapeutique
US4160021A (en) * 1977-05-23 1979-07-03 Smithkline Corporation Substituted 2H-pyran-2,6(3H)-dione derivatives
US5263435A (en) * 1992-08-12 1993-11-23 Mitsuba Electric Manufacturing Co., Ltd. Volute horn and method of manufacturing

Also Published As

Publication number Publication date
FI59406C (fi) 1981-08-10
AU8345075A (en) 1977-02-03
NO752638L (nl) 1976-01-30
AT343657B (de) 1978-06-12
ES439664A1 (es) 1977-03-01
LU73066A1 (nl) 1976-03-02
DK134552B (da) 1976-11-29
DE2533843C2 (de) 1984-06-14
IL47792A (en) 1978-06-15
GB1521712A (en) 1978-08-16
NO142668C (no) 1980-09-24
ATA584475A (de) 1977-10-15
FR2280367B1 (nl) 1979-08-10
IL47792A0 (en) 1975-10-15
HU174067B (hu) 1979-10-28
NO142668B (no) 1980-06-16
CA1064509A (en) 1979-10-16
DK332675A (nl) 1976-01-30
FI752139A (nl) 1976-01-30
FR2280367A1 (fr) 1976-02-27
JPS5136458A (en) 1976-03-27
IE41709L (en) 1976-01-29
IE41709B1 (en) 1980-03-12
NL7509032A (nl) 1976-02-02
DD118626A5 (nl) 1976-03-12
DE2533843A1 (de) 1976-02-19
FI59406B (fi) 1981-04-30
DK134552C (nl) 1977-05-09

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